Asian Turmoil Takes the Sparkle
Out of De Beers's First-Half Sales

De Beers's first-half sales of rough, uncut diamonds plunged 41% to $1.7 billion from $2.88 billion a year earlier, the company said. The South African-owned, but Swiss-based cartel, which controls two thirds of the global rough-diamond market, said that it has been stockpiling diamonds received from producer members of the cartel, including Russia,...